FYI, I found the following to give a useful introduction to what copyright/left is, the ideas behind open-source licenses, and more:
Fontana R. et al. 2008. A Legal Issues Primer for Open Source and Free Software Projects. Version 1.5. Software Freedom Law Center, February 14, 2008. URL: http://www.softwarefreedom.org/resources/2008/foss-primer.html /Henrik ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
